Hi Morimoto-san,
On Fri, Feb 22, 2019 at 09:23:23AM +0100, twischer@xxxxxxxxxxxxxx wrote:
> From: Jiada Wang <jiada_wang@xxxxxxxxxx>
>
> Currently each SSI unit 's busif dma address is calculated by
> following calculation formulation:
> 0xec540000 + 0x1000 * id + busif / 4 * 0xA000 + busif % 4 * 0x400
>
> But according to user manual 41.1.4 Register Configuration
> ssi9 4/5/6/7 busif data register address
> (SSI9_4_BUSIF/SSI9_5_BUSIF/SSI9_6_BUSIF/SSI9_7_BUSIF)
> are out of this rule.
>
> This patch updates the calculation formulation to correct
> ssi9 4/5/6/7 busif data register address
>
> Fixes: commit 5e45a6fab3b9 ("ASoc: rsnd: dma: Calculate dma address with consider of BUSIF")
> Signed-off-by: Jiada Wang <jiada_wang@xxxxxxxxxx>
> Signed-off-by: Timo Wischer <twischer@xxxxxxxxxxxxxx>
> ---
> sound/soc/sh/rcar/dma.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
> index 0324a5c..28f65eb 100644
> --- a/sound/soc/sh/rcar/dma.c
> +++ b/sound/soc/sh/rcar/dma.c
> @@ -508,10 +508,10 @@ static struct rsnd_mod_ops rsnd_dmapp_ops = {
> #define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
> #define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
>
> -#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
> +#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
> #define RDMA_SSIU_O_N(addr, i, j) RDMA_SSIU_I_N(addr, i, j)
>
> -#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
> +#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
> #define RDMA_SSIU_O_P(addr, i, j) RDMA_SSIU_I_P(addr, i, j)
>
> #define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
Reviewed-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx>
This patch lives in our tree for a while without any issues.
It still applies cleanly to v5.4-rc4-18-g3b7c59a1950c.
Any chance to see it in vanilla?
--
Best Regards,
Eugeniu
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
